Made of high quality environmental protection aluminum alloy, this hinge hole drill guide are durable, which can use long time with great touch. The excellent material provides you with a great user experience and makes your work more comfortable.8 holes of different diameters: 8mm, 9mm, 10mm, 12mm, 15mm, 16mm, 18mm, 20mm, to meet your various working needs.This dowel maker equipped with indexable carbide blades, 15mm x 15mm Square Sharpener Blade has 4 edges available, which are sharp and durable, making this dowel making machine more efficient and easy to use, saving your time and energy.The dowel maker jig features a rounded carbide insert for a smoother cutting experience. Dulled rotary blades are as incisive as new, with a block of blades that can be rotated 4 times.The dowel maker jig is an indispensable tool for woodworkers that enables them to create perfectly sized and shaped dowels with ease. The jig is designed specifically for creating round wooden rods and dowels that are consistent in size and shape.The dowel maker jig is an auxiliary tool that can be used in combination with other woodworking tools, such as lathes and routers. It provides woodworkers with an additional tool to create accurate, consistent dowels, and makes it easy to create round wooden rods.